As Florida authorities work to identify the people who died in Thursday's catastrophic bridge collapse, state and federal investigators will begin the task of figuring out how and why the five-day-old span failed.More >>

As Florida authorities work to identify the people who died in Thursday's catastrophic bridge collapse, state and federal investigators will begin the task of figuring out how and why the five-day-old span failed.More >>

(AP Photo/Brandon Wade). Florida guard Egor Koulechov (4) and St. Bonaventure guard Idris Taqqee (1) battle for the ball during the first half of a first-round game at the NCAA college basketball tournament in Dallas, Thursday, March 15, 2018.

Egor Koulechov scored 20 points and Florida eased past St. Bonaventure 77-62, ending the Bonnies' postseason run two days after their first NCAA Tournament victory in 48 years.

It's sold under various names such as Mr. Nice Guy, K-2, Lotus, and Peace of Mind.

It's an herbal smoke blend, and on the package it clearly says "incense" and "not for human consumption."

But one drug treatment expert says teens and young adults are smoking it, and for some people it produces a high or euphoria similar to marijuana."There are toxicologists nationwide that are scrambling to find out what this substance does to people. So there's no way to say that it's safe," said Kevin Bandy of the Hanley Center.

"In the last 6 to 8 months, I would say it's become really widespread," he added.

Bandy says while some states have banned these herbal smoke blends, Florida has not.

He says the product may have health risks, and using these herbal smoke blends could lead teens to experiment with other addictive drugs.